63636213364623 has 12 divisors (see below), whose sum is σ = 95088594683160. Its totient is φ = 40961240786256.

The previous prime is 63636213364613. The next prime is 63636213364639. The reversal of 63636213364623 is 32646331263636.

63636213364623 is a `hidden beast` number, since 6 + 3 + 6 + 3 + 6 + 2 + 1 + 3 + 3 + 6 + 4 + 623 = 666.

It is not a de Polignac number, because 63636213364623 - 2¹² = 63636213360527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63636213364623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63636213364613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121908454461 + ... + 121908454982.

It is an arithmetic number, because the mean of its divisors is an integer number (7924049556930).

Almost surely, 2^{63636213364623} is an apocalyptic number.

63636213364623 is a deficient number, since it is larger than the sum of its proper divisors (31452381318537).

63636213364623 is a wasteful number, since it uses less digits than its factorization.

63636213364623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243816909478 (or 243816909475 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 54.

The spelling of 63636213364623 in words is "sixty-three trillion, six hundred thirty-six billion, two hundred thirteen million, three hundred sixty-four thousand, six hundred twenty-three".